Climate averages 1991–2020
Trier weather
in July.
A warm, moderately wet month: the warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Trier: daytime highs average 23.4°C and nights cool to about 14.3°C. By daytime temperature it is the warmest month of the year.
Expect about 71 mm of rain on roughly 12 days, which makes July a moderately wet month (the 6th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 52 min on an average July day.
The nearest other city in this atlas is Luxembourg (40 km away). In July its highs average 22.7°C, 0.7°C cooler than Trier, with 58 mm of rain.
Among the 120 cities listed in Germany, Trier ranks joint 38th of 120 for the warmest July highs and joint 18th of 120 for the driest July (rainfall, lowest first). The mean July high of those 120 cities is 23.0°C; Trier is 0.3°C warmer than that mean.
From July to August, average highs fall by 0.1°C to 23.3°C, and monthly rainfall falls from 71 mm to 70 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Trier climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.8°C0.0°C | 0.0°C | 82 | 13.1 | 8.69 h |
| February | 6.2°C0.0°C | 0.0°C | 68 | 11.3 | 10.110 h |
| March | 10.1°C2.0°C | 2.0°C | 70 | 12.7 | 11.912 h |
| April | 14.3°C4.8°C | 4.8°C | 57 | 11.6 | 13.714 h |
| May | 18.0°C9.0°C | 9.0°C | 73 | 12.9 | 15.415 h |
| June | 21.2°C12.1°C | 12.1°C | 72 | 11.9 | 16.216 h |
| July, selected | 23.4°C14.3°C | 14.3°C | 71 | 12.3 | 15.916 h |
| August | 23.3°C14.1°C | 14.1°C | 70 | 11.2 | 14.514 h |
| September | 19.1°C10.9°C | 10.9°C | 67 | 10.4 | 12.713 h |
| October | 14.2°C7.6°C | 7.6°C | 73 | 11.8 | 10.811 h |
| November | 8.8°C3.8°C | 3.8°C | 77 | 13.0 | 9.19 h |
| December | 5.4°C1.0°C | 1.0°C | 99 | 14.4 | 8.28 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Luxembourg in JulyLuxembourg · 40 kmHigh 22.7°C · Low 13.8°C · 58 mm rain
- Saarbrücken in JulyGermany · 64 kmHigh 23.9°C · Low 15.0°C · 61 mm rain
- Metz in JulyFrance · 78 kmHigh 24.0°C · Low 14.9°C · 60 mm rain
- Kaiserslautern in JulyGermany · 89 kmHigh 24.0°C · Low 15.4°C · 72 mm rain
- Koblenz in JulyGermany · 94 kmHigh 23.6°C · Low 14.9°C · 62 mm rain
- Bonn in JulyGermany · 114 kmHigh 23.4°C · Low 14.8°C · 74 mm rain
- Düren in JulyGermany · 117 kmHigh 22.5°C · Low 14.2°C · 80 mm rain
- Aachen in JulyGermany · 120 kmHigh 22.1°C · Low 14.1°C · 83 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Trier) is explained once on the Trier year overview and on the Sources, method and limits page.